[ERP5/tests/testERP5Commerce.py] quantity_unit/unit/piece category is used but...

[ERP5/tests/testERP5Commerce.py] quantity_unit/unit/piece category is used but it does not exist in this test. Add quantity_unit/unit/piece in afterSetUp.

To use non-existing category may lead an unexpected result. This time, getAcquiredCategoryList did not work correctly, then category values of products were not correctly indexed and test_17_getProductListFromWebSection failed.

product/ERP5/tests/testERP5Commerce.py

@@ -176,6 +176,12 @@ class TestCommerce(ERP5TypeTestCase):
     self.website.setProperty('ecommerce_base_currency',
                                             currency.getRelativeUrl())
 
+    # add quantity_unit/unit/piece
+    if getattr(self.portal.portal_categories.quantity_unit, 'unit', None) is None:
+      self.portal.portal_categories.quantity_unit.newContent(id='unit')
+    if getattr(self.portal.portal_categories.quantity_unit.unit, 'piece', None) is None:
+      self.portal.portal_categories.quantity_unit.unit.newContent(id='piece')
+
     self.app.REQUEST.set('session_id', SESSION_ID)
     self.loginByUserName('ivan')
     self.tic()